The Food and Drug Administration is keeping a bold-letter warning on Pfizer’s anti-smoking drug Chantix about suicidal behavior and other psychiatric side effects, after reviewing company findings suggesting the drug does not increase those problems.

Concerns about electronic cigarettes, including flavors and marketing that could appeal to young people, underscore the need to regulate the fast-growing industry, according to a Congressional report released Monday.

In just the past few months, Richardson city leaders say one kind of business seems especially interested in setting up shop — e-cigarette retailers. Currently there are eight of the stores in the city.

First it was bars, restaurants and office buildings. Now the the “No Smoking” battle has moved outdoors. City parks, college campuses and other outdoor venues are putting up signs telling smokers they can’t light up.

For the first time, government advisers are recommending screening for lung cancer, saying certain current and former heavy smokers should get annual scans to cut their chances of dying of the disease.